Texas Instruments TI-89 Voyage 200, User Manual

Page: 239 / 1008

Symbolic Manipulation 239
Temporarily Overriding a Variable
Temporarily Overriding a Variable Temporarily Overriding a Variable
Temporarily Overriding a Variable
By using the
“
with
”
operator ( | ), you can:
Note:
For more information about the | operator, refer to Typing the “ With ” Operator.
To type the
“
with
”
operator ( | ), press:
@
Í
All one-letter variables (a – z) in the
current folder.
Note:
For information about folders,
refer to the Calculator Home Screen
module.
From the Home screen
Clean Up menu, select
1:Clear a-z
. You will be
prompted to press
¸
to
confirm the deletion.
• Temporarily override a variable’s defined
value.
• Temporarily define a value for an
undefined variable.
To delete: Do this: